<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Bootstrap</title>
    <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css">
</head>
<body>
    <button class="btn btn-primary">提交</button>
    <button class="btn btn-success">提交</button>
    <button class="btn btn-info">提交</button>
    <button class="btn btn-danger">提交</button>
    <button class="btn btn-waining">提交</button>
    <button class="btn btn-default">提交</button>
    <p class="glyphicon glyphicon-music"></p>
</body>
</html>